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/* Copyright (c) 2003-2004, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_COMPAT_H
#define TOR_COMPAT_H
#include "orconfig.h"
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#ifndef SIO_IDEAL_SEND_BACKLOG_QUERY
#define SIO_IDEAL_SEND_BACKLOG_QUERY 0x4004747b
#endif
#endif
#include "lib/cc/torint.h"
#include "lib/testsupport/testsupport.h"
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdarg.h>
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET6_IN6_H
#include <netinet6/in6.h>
#endif
#include "lib/cc/compat_compiler.h"
#include "lib/arch/bytes.h"
#include "common/compat_time.h"
#include "lib/string/compat_ctype.h"
#include "lib/string/compat_string.h"
#include "lib/string/printf.h"
#include "lib/log/win32err.h"
#include "lib/net/socket.h"
#include "lib/net/ipv4.h"
#include "lib/net/ipv6.h"
#include "lib/net/resolve.h"
#include "lib/fs/files.h"
#include "lib/fs/mmap.h"
#include "lib/fs/userdb.h"
#include <stdio.h>
#include <errno.h>
/* ===== Time compatibility */
#ifndef timeradd
/** Replacement for timeradd on platforms that do not have it: sets tvout to
* the sum of tv1 and tv2. */
#define timeradd(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \
(tvout)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \
if ((tvout)->tv_usec >= 1000000) { \
(tvout)->tv_usec -= 1000000; \
(tvout)->tv_sec++; \
} \
} while (0)
#endif /* !defined(timeradd) */
#ifndef timersub
/** Replacement for timersub on platforms that do not have it: sets tvout to
* tv1 minus tv2. */
#define timersub(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec; \
(tvout)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec; \
if ((tvout)->tv_usec < 0) { \
(tvout)->tv_usec += 1000000; \
(tvout)->tv_sec--; \
} \
} while (0)
#endif /* !defined(timersub) */
#ifndef timercmp
/** Replacement for timercmp on platforms that do not have it: returns true
* iff the relational operator "op" makes the expression tv1 op tv2 true.
*
* Note that while this definition should work for all boolean operators, some
* platforms' native timercmp definitions do not support >=, <=, or ==. So
* don't use those.
*/
#define timercmp(tv1,tv2,op) \
(((tv1)->tv_sec == (tv2)->tv_sec) ? \
((tv1)->tv_usec op (tv2)->tv_usec) : \
((tv1)->tv_sec op (tv2)->tv_sec))
#endif /* !defined(timercmp) */
/* ===== File compatibility */
typedef struct tor_lockfile_t tor_lockfile_t;
tor_lockfile_t *tor_lockfile_lock(const char *filename, int blocking,
int *locked_out);
void tor_lockfile_unlock(tor_lockfile_t *lockfile);
/* ===== Net compatibility */
MOCK_DECL(int,tor_gethostname,(char *name, size_t namelen));
/** Specified SOCKS5 status codes. */
typedef enum {
SOCKS5_SUCCEEDED = 0x00,
SOCKS5_GENERAL_ERROR = 0x01,
SOCKS5_NOT_ALLOWED = 0x02,
SOCKS5_NET_UNREACHABLE = 0x03,
SOCKS5_HOST_UNREACHABLE = 0x04,
SOCKS5_CONNECTION_REFUSED = 0x05,
SOCKS5_TTL_EXPIRED = 0x06,
SOCKS5_COMMAND_NOT_SUPPORTED = 0x07,
SOCKS5_ADDRESS_TYPE_NOT_SUPPORTED = 0x08,
} socks5_reply_status_t;
/* ===== OS compatibility */
MOCK_DECL(const char *, get_uname, (void));
#if !defined(HAVE_RLIM_T)
typedef unsigned long rlim_t;
#endif
int set_max_file_descriptors(rlim_t limit, int *max);
int tor_disable_debugger_attach(void);
#if defined(HAVE_SYS_CAPABILITY_H) && defined(HAVE_CAP_SET_PROC)
#define HAVE_LINUX_CAPABILITIES
#endif
int have_capability_support(void);
/** Flag for switch_id; see switch_id() for documentation */
#define SWITCH_ID_KEEP_BINDLOW (1<<0)
/** Flag for switch_id; see switch_id() for documentation */
#define SWITCH_ID_WARN_IF_NO_CAPS (1<<1)
int switch_id(const char *user, unsigned flags);
char **get_environment(void);
MOCK_DECL(int, get_total_system_memory, (size_t *mem_out));
int compute_num_cpus(void);
int tor_mlockall(void);
/** Macros for MIN/MAX. Never use these when the arguments could have
* side-effects.
* {With GCC extensions we could probably define a safer MIN/MAX. But
* depending on that safety would be dangerous, since not every platform
* has it.}
**/
#ifndef MAX
#define MAX(a,b) ( ((a)<(b)) ? (b) : (a) )
#endif
#ifndef MIN
#define MIN(a,b) ( ((a)>(b)) ? (b) : (a) )
#endif
/*for some reason my compiler doesn't have these version flags defined
a nice homework assignment for someone one day is to define the rest*/
//these are the values as given on MSDN
#ifdef _WIN32
#ifndef VER_SUITE_EMBEDDEDNT
#define VER_SUITE_EMBEDDEDNT 0x00000040
#endif
#ifndef VER_SUITE_SINGLEUSERTS
#define VER_SUITE_SINGLEUSERTS 0x00000100
#endif
#endif /* defined(_WIN32) */
ssize_t tor_getpass(const char *prompt, char *output, size_t buflen);
/* This needs some of the declarations above so we include it here. */
#include "lib/thread/threads.h"
#endif /* !defined(TOR_COMPAT_H) */
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